21455796

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^2\times {\mathrm{967}}^1$

素因数の和:1060

約数の個数: 36

約数和(自身を含む): 51307872

約数和(自身を除く): 29852076

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 967, 1849, 1934, 2901, 3698, 3868, 5547, 5802, 7396, 11094, 11604, 22188, 41581, 83162, 124743, 166324, 249486, 498972, 1787983, 3575966, 5363949, 7151932, 10727898, 21455796]

約数ペア:

[(1, 21455796), (2, 10727898), (3, 7151932), (4, 5363949), (6, 3575966), (12, 1787983), (43, 498972), (86, 249486), (129, 166324), (172, 124743), (258, 83162), (516, 41581), (967, 22188), (1849, 11604), (1934, 11094), (2901, 7396), (3698, 5802), (3868, 5547)]